YOU SAID:
my friend does cocaine
INTO JAPANESE
私の友人はコカイン
BACK INTO ENGLISH
Cocaine is a friend of mine
INTO JAPANESE
コカインは、私の友人
BACK INTO ENGLISH
Cocaine is a friend of mine.
INTO JAPANESE
コカインは、私の友人です。
BACK INTO ENGLISH
Cocaine is a friend of mine.
You've done this before, haven't you.